In a moderately skewed distribution, if the mean is 45 and the mode is 39, the median is approximately: MCQ with Answer and Explanation
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Question #1
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Classification of data based on characteristics like literacy, religion, or occupation is known as:
Correct Answer: Option B
Explanation:
Qualitative classification groups data according to attributes or characteristics that cannot be measured numerically, such as literacy status, religion, or occupation type.
Qualitative classification groups data according to attributes or characteristics that cannot be measured numerically, such as literacy status, religion, or occupation type.
This question belongs to:
Accountancy and Statistics
Statistics
Question #2
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Combined mean formula is essential when:
Correct Answer: Option A
Explanation:
Combined mean = (n₁x̄₁ + n₂x̄₂) / (n₁ + n₂) weights each group's mean by its size, providing the correct overall mean when aggregating subgroup statistics.
Combined mean = (n₁x̄₁ + n₂x̄₂) / (n₁ + n₂) weights each group's mean by its size, providing the correct overall mean when aggregating subgroup statistics.
This question belongs to:
Accountancy and Statistics
Statistics
Question #3
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In a 2×2 contingency table for attributes, if (AB)=30, (Aβ)=20, (αB)=10, (αβ)=40, N is:
Correct Answer: Option D
Explanation:
N = 30+20+10+40 = 100.
N = 30+20+10+40 = 100.
This question belongs to:
Accountancy and Statistics
Statistics
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